Fixed that loaded accounts didn't get displayed in AccountsTab by introducing App Data

ui/BankingiOSApp/BankingiOSApp/ContentView.swift

@@ -2,11 +2,13 @@ import SwiftUI
 
 struct ContentView: View {
     
+    @ObservedObject var data: AppData = AppData()
+    
     @State private var selection = 0
  
     var body: some View {
         TabView(selection: $selection) {
-            AccountsTab()
+            AccountsTab(data: data)
                 .tabItem {
                     VStack {
                         Image("first")

ui/BankingiOSApp/BankingiOSApp/persistence/AppData.swift

@@ -0,0 +1,20 @@
+import Foundation
+import BankingUiSwift
+
+
+class AppData : ObservableObject {
+    
+    @Inject private var presenter: BankingPresenterSwift
+    
+    @Published var banks: [BUCCustomer] = []
+    
+    
+    init() {
+        banks = presenter.customers
+        
+        presenter.addAccountsChangedListener { banks in
+            self.banks = banks
+        }
+    }
+    
+}

ui/BankingiOSApp/BankingiOSApp/ui/views/AccountsTab.swift

@@ -6,23 +6,14 @@ struct AccountsTab: View {
     
     @Inject private var presenter: BankingPresenterSwift
     
-    @State var banks: [BUCCustomer] = []
+    @ObservedObject var data: AppData
-    
-    
-    init() {
-        self.banks = presenter.customers
-    }
     
     
     var body: some View {
-        presenter.addAccountsChangedListener { (customers) in // i think this will add a lot of listeners but i am not allowed to use this code in init()
+        NavigationView {
-            self.banks = customers
-        }
-        
-        return NavigationView {
             VStack {
-                if self.banks.isEmpty == false {
+                if data.banks.isEmpty == false {
-                    List(banks, id: \.id) { bank in
+                    List(data.banks, id: \.id) { bank in
                         BankListItem(bank: bank)
                     }
                 }
@@ -40,7 +31,12 @@ struct AccountsTab: View {
 
 
 struct AccountsTab_Previews: PreviewProvider {
+    
     static var previews: some View {
-        AccountsTab()
+        let data = AppData()
+        data.banks = previewBanks
+        
+        return AccountsTab(data: data)
     }
+    
 }